<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .aa {
            width: 200px;
            height: 200px;
            background-color: aqua;
            margin: 0 auto;
            box-shadow: 10px 10px 10px 10px rgba(0, 0, 0, .3);
            text-shadow: 5px 5px 6px rgba(0, 0, 0, .3);
            text-align: center;
            font-size: 14px;
        }

        .aa:hover {
            box-shadow: 10px 10px 10px 10px rgba(0, 0, 0, .3) inset;
        }
    </style>
</head>

<body>
    <div class="aa">
        dmmidijd
    </div>

</html>